package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @version 1.0
 * @Author yanjr
 * @Date 2021/4/16
 * @Description com.atguigu.gulimall.product.exception
 */

/**
 * 集中处理所有异常
 */
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@Slf4j
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出问题{}, 异常类型{}", e.getMessage(), e.getClass());
        Map<String, String> errorMap = new HashMap<>();
        BindingResult bindingResult = e.getBindingResult();
        bindingResult.getFieldErrors().forEach(item -> {
            errorMap.put(item.getField(), item.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        return R.error();
    }

}
